#include "mutex.hpp"
#include <string>
#include <unistd.h>
using namespace MutexModule;

int ticket = 1000;

class ThreadData
{
public:
    ThreadData(const std::string &n, Mutex &lock)
        : name(n), lockp(&lock)
    {
    }
    ~ThreadData() {}
    std::string name;
    Mutex *lockp;
};
void *routine(void *arg)
{
    ThreadData *td = static_cast<ThreadData *>(arg);
    while (1)
    {
        {
            LockGuard guard(*(td->lockp)); // RAII 风格的互斥锁
            if (ticket > 0)
            {
                usleep(1000);
                printf("%s sells ticket:%d\n", td->name.c_str(), ticket);
                ticket--;
            }
            else
            {
                break;
            }
        }
        usleep(1000);
    }
    return nullptr;
}

int main()
{
    Mutex lock;
    pthread_t t1, t2, t3, t4;
    ThreadData *td1 = new ThreadData("thread 1", lock);
    pthread_create(&t1, nullptr, routine, td1);

    ThreadData *td2 = new ThreadData("thread 2", lock);
    pthread_create(&t2, nullptr, routine, td2);

    ThreadData *td3 = new ThreadData("thread 3", lock);
    pthread_create(&t3, nullptr, routine, td3);

    ThreadData *td4 = new ThreadData("thread 4", lock);
    pthread_create(&t4, nullptr, routine, td4);

    pthread_join(t1, nullptr);
    pthread_join(t2, nullptr);
    pthread_join(t3, nullptr);
    pthread_join(t4, nullptr);

    return 0;
}